Question 48811
2x+4y=-8 or 4y=-2x+8 or y=-1/2x+2 thus you have a line with a slope of -1/2 that has a y intercept of 2. 

Setting y=0 we get an x value of 0=-1/2x+2 or -1/2x=-2 or 1/2x=2 or x=4 which
give you two points for your line (0,2)(4,0) with a slope of -1/2.